# D vs DayCount

The clearest difference is update cadence: DayCount at every 2 weeks against D's every 3 months. D's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

D ships an update every 3 months, DayCount every 2 weeks. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | D | DayCount |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/d-day-countdown/id1518400866/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 11 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Si-Wan Yoon](https://appshunter.io/developer/1493152910) | [Starter Studio, Inc.](https://appshunter.io/developer/6777063892) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-day-countdown/id1518400866)

Easily set and track important dates, such as D-Day. This utility app helps you monitor the remaining time until your specified events.

**Highlights:** Set D-Day, Check remaining time, Event tracking, Simple interface

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### DayCount

[App page](https://appshunter.io/ios/app/daycount-countdown-widget/id6777106137)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D free?

D is free to download, with no in-app purchases.

### Is DayCount free?

DayCount is free to download, with no in-app purchases.

### Do D or DayCount have ads?

Neither D nor DayCount shows ads.

### Which is updated more often, D or DayCount?

D ships an update every 3 months, and DayCount every 2 weeks. Most recently, D was updated on October 10, 2026 and DayCount on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*